Physics replicates incorrectly on the Client-Side on sloped surfaces

UE - Simulation - Physics - Jul 30, 2019

Replicated objects don't behave correctly on the client-side on slopes when not sleeping. By placing two cubes on one another and slightly rotating the bottom one to create a very gentle slope, the ...

LogAudioMixer warning results in a decrease of performance

UE - Audio - May 21, 2020

Unable to reproduce. User believes it is directly related to the speaker they are using when it goes into standby mode. If they unplug the speaker, everything runs okay.  After receiving the warning ...

UFE: Can't delete custom launch profiles

UE - Editor - UI Systems - Jul 26, 2023

The confirmation message will fails spawning with the following messages in the log:  [2023.07.25-20.04.01:038][  0]LogWindows: Error: Failed to create dialog. The specified resource type cannot be ...

Duplicating / Moving (to another level) an actor with a Hierarchical Instanced Static Mesh component causes a crash

UE - Graphics Features - Nov 14, 2016

When you have an actor with a Hierarchical Instanced Static Mesh component that has a Static Mesh set and is populated with at least 1 instance and then duplicate it or move it to another level, it ...

[CrashReport] UE4Editor_LandscapeEditor!TSharedPtr<SWidget,0>::ToSharedRef() [sharedpointer.h:794]

UE - LD & Modeling - Terrain - Landscape - Jul 13, 2017

This is a common crash affecting users in 4.16. Additional information is not currently available. User DescriptionsAt the time I was using the landspace sculpt tool with fairly normal settings. ...

[CrashReport] UE4Editor_Persona!TSharedPtr<IEditableSkeleton,0>::ToSharedRef() [sharedpointer.h:794]

OLD - Anim - Jul 13, 2017

This is a common crash affecting users in 4.16. User DescriptionsHit undo a bunch of times after re-opening a skeletal mesh where I was trying out painting cloth max distances. Source Context ...

Grandchild actor with IsEditorOnly enabled is duplicated during save the level.

UE - Gameplay - Components - Dec 6, 2019

IsEditorOnly is not reflected in grandchild actor when parent/child/grandchild are constructed with ChildActorComponent. This causes the issue that actor will increase incorrect when save the level. ...

A hidden dedicated server is launched when playing as client

UE - Networking - Jul 15, 2020

When we play in editor with the Play Net Mode set to Play as Client, a hidden dedicated server is launched. Previously in 4.24 the dedicated server would always launch with a visible command window. ...

Uniform scaling in the viewport not working as expected when additive mode is enabled

UE - Editor - Workflow Systems - Apr 2, 2022

The uniform scaling does not work as expected Repro Steps: 1) Add a cube to a level 2) Set the scale (X = 16, Y=9, Z=9) 3) Click the Lock icon to activate the Uniform Scale feature 4) In the viewpor ...

Tracks that manipulate byte properties may have different (non-deterministic) results even for the same frame

UE - Anim - Sequencer - Aug 13, 2024

This issue is relatively easy to reproduce, e.g., in the timing of switching between the two types of property operations within the same track. It seems to be easy to reproduce the above problem in ...